They've won several awards, and they've also sold over 400 million copies.
I'm actually a fan of her poetry more then her Harry potter books even if  they did sell more then 400 Million copies.
I really like Harry Potter books, I have read them all. That's nice. Did you know they were written by J. K. Rowling? Yes, she is such a great writer. The books are awesome.
The books have won multiple awards, and sold more than 400 million copies.
Мне очень нравятся книги о Гарри Поттере, я прочитал их все. Это мило. А вы знали, что они написаны Джоан Роулинг? Да, она замечательная писательница. Книги потрясающие.
Эти книги получили множество наград и были проданы тиражом более 400 миллионов экземпляров.